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48,537
RESULTS

Media Type
16
collections
41,627
texts
3,344
audio
2,718
movies
782
images
21
data
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Topics & Subjects
8,997
NSA
7,622
National Security Agency
7,619
Cryptography
7,619
William F. Friedman
7,618
Friedman
5,092
NASA Technical Reports Server (NTRS)
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Collection
17,309
American Libraries
7,643
National Security Internet Archive (NSIA)
7,617
National Security Agency (NSA) Archive
7,617
William F. Friedman NSA Collection
5,092
NASA Network Resource and Training Site
4,793
Boston Public Library
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Creator
7,618
william f. friedman
5,092
nasa technical reports server (ntrs)
3,609
eric
1,355
garrison, william lloyd, 1805-1879
1,009
defense technical information center
418
nasa
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Language
41,653
English
646
German
366
Handwritten English
320
French
69
Spanish
55
Portuguese
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